B. Furius Purpurio. 169-158 BC. 

Obv: Helmeted head of Roma right, X behind head. 
Rev: Luna or Diana in galloping biga right, murex shell above, PVR below, ROMA in ex. 

Crawford 187/1; Sydenham 424; Furia 13; Sear 75.

With exclusive permission of TimeLine Auctions (www.timelineauctions.com), Jun, 2014